/Engine/Source/Developer/AssetTools/Public/AssetViewUtils.h
Checks to see if any collection has a custom color, optionally outputs them to a list
true, if custom colors are present
namespace AssetViewUtils { bool AssetViewUtils::HasCustomColors ( [TArray](API\Runtime\Core\Containers\TArray)< [FLinearColor](API\Runtime\Core\Math\FLinearColor) > * OutColors ) }